Cut the soft tofu into bite-sized pieces.
Finely chop the onion and paprika.
Heat olive oil in a pan and sauté the onion and paprika.
Add tomato sauce and cook together.
Place the soft tofu in an oven-safe dish and top with the sautéed vegetables and sauce.
Sprinkle mozzarella cheese on top.
Bake in a 180°C oven for 10 minutes.